Antonyms

Approve means officially agree to or accept as satisfactory whereas criticize means to discuss the merits or demerits of a thing or person; esp., to find fault which is the opposite of approve. Hence, the correct option.

Clumsy means awkward in movement or in handling things whereas agile means able to move quickly and easily which is the opposite of clumsy. Hence, the correct option.

Retreat means an act of moving back or withdrawing whereas advance means to move forward, typically in a purposeful way which is the opposite of retreat. Hence, the correct option.

Soothe means to gently calm a person or their feelings whereas encourage or stir up something which is the opposite of soothe. Hence, the correct option.

Furious extremely angry whereas gentle means mild in temperament or behavior which is the opposite of furious. Hence, the correct option.

Convenient means fitting in well with a person's needs, activities, and plans whereas harmful means causing harm. Since, the thing that will cause no harm will never fit well anywhere, it is the correct option as it is the opposite.

The word novice means a beginner or person who is new at something. The opposite of novice is a person who is highly skilled at something. Because an expert is a person who has special skills or knowledge in a field or activity, it is the correct option.

To upgrade means to raise something to a higher standard, in particular improve by adding or replacing components whereas diminish means to make or become less which is the opposite of upgrade. Hence, the correct option.

The word offbeat means odd or unusual. The opposite of offbeat is normal or usual. Because regular means usual or normal, it is the correct option.

The word onset means the beginning of something. The opposite of onset is the end of something. Because a conclusion is the end of something, it is the correct option.

Discard means to get rid of someone or something as no longer useful or desirable whereas allow means to admit an event or activity as legal or acceptable which is the opposite. Hence, a correct option.

Vivid means intensely deep or bright whereas bland means lacking strong features or characteristics and therefore uninteresting which is the opposite of vivid. Hence, the correct option.

Rotten means suffering from decay whereas fresh means recently made, produced, or harvested; not stale or spoiled which is the opposite of rotten. Hence, the correct option.

Variation means a change or slight difference in condition, amount, or level, typically with certain limits whereas harmony is a pleasing combination of elements in a whole which is the opposite of variation. Hence, the correct option.

Vigilant means keeping careful watch for possible danger or difficulties whereas careless means not giving sufficient attention or thought to avoiding harm or errors which is the opposite of vigilant. Hence, the correct option.

Vibrant means full of energy and enthusiasm whereas dispirited means to cause someone to lose enthusiasm or hope which is the opposite of vibrant. Hence, the correct option.

Luxury is the state of great comfort and extravagant living whereas misery is a state or feeling of great distress or discomfort of mind or body which is the opposite of luxury. Hence, the correct option.

Prominent means immediately noticeable or widely known whereas ordinary means with no special or distinctive features; normal which is the opposite of prominent. Hence, the correct option.

Deliberate means done consciously and intentionally whereas ignorant means lacking knowledge, information, or awareness about something which is the opposite of deliberate. Hence, the correct option.

Gaudy means extravagantly bright or showy, typically so as to be tasteless whereas modest means relatively moderate, limited, or small which is the opposite of gaudy. Hence, the correct option.

Surplus means an amount of something left over when requirements have been met whereas lacking means missing or absent which is the opposite of surplus. Hence, the correct option.

Radiant means shining or glowing brightly whereas dull means dim or lacking  lustre which is the opposite of radiant. Hence, the correct option.

It means able to be believed. Amazing means causing great surprise or wonder; astonishing. As something that can be believed cannot surprise or shock, it is the correct option.

It means absence of restriction which is opposite to the meaning of hamper. So, it is the correct option.

It means a feeling of regard or fondness which is the opposite of envy as envy means desire to have a quality, possession, or other desirable thing belonging to (someone else). So, it is the correct option.

It means slightly wet. Barren means (of land) too poor to produce much or any vegetation which is the opposite. So, it is the correct option.

It means very less or rare. Lavish means sumptuously rich, elaborate, or luxurious. So, it is the correct option.

It means awkward in movement or in handling things. Nimble means quick and light in movement or action; agile. So, it is the opposite of nimble.

It means submissive which is the opposite of bold and brave. Hence, it is the correct option.

It means a large or sufficient amount or quantity; more than enough. Paltry means small or meagre. So, this is the correct option.